Container with a flat lid



FIG. 1 is a perspective view taken from above of a container with a flat lid showing our new design;

FIG. 2 is a front view thereof;

Fig, 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a perspective view taken from below thereof.

The broken lines shown in the drawings represent unclaimed portions of the container and form no part of the claimed design. 

The ornamental design for a container with a flat lid, as is shown and described. 